public static XmlWriter Create(XmlWriter output, XmlWriterSettings settings)
{
if (settings == null)
{
settings = new XmlWriterSettings();
}
else
{
settings = settings.Clone();
}
var src = output.Settings;
if (src == null)
{
settings.ConformanceLevel = ConformanceLevel.Document; // Huh? Why??
output = new DefaultXmlWriter(output);
#if NET_4_5
settings.SetReadOnly();
#endif
output.settings = settings;
}
else
{
ConformanceLevel dst = src.ConformanceLevel;
switch (src.ConformanceLevel)
{
case ConformanceLevel.Auto:
dst = settings.ConformanceLevel;
break;
case ConformanceLevel.Document:
case ConformanceLevel.Fragment:
if (settings.ConformanceLevel != ConformanceLevel.Auto)
{
dst = settings.ConformanceLevel;
}
break;
}
settings.MergeFrom(src);
#if NET_4_5
settings.SetReadOnly();
#endif
// It returns a new XmlWriter instance if 1) Settings is null, or 2) Settings ConformanceLevel (or might be other members as well) give significant difference.
if (src.ConformanceLevel != dst)
{
output = new DefaultXmlWriter(output, false);
output.settings = settings;
}
}
return(output);
}
public static XmlWriter Create(XmlWriter writer, XmlWriterSettings settings)
{
if (settings == null)
{
settings = new XmlWriterSettings();
}
else
{
settings = settings.Clone();
}
var src = writer.Settings;
if (src == null)
{
settings.ConformanceLevel = ConformanceLevel.Document; // Huh? Why??
writer = new DefaultXmlWriter(writer);
writer.settings = settings;
}
else
{
ConformanceLevel dst = src.ConformanceLevel;
switch (src.ConformanceLevel)
{
case ConformanceLevel.Auto:
dst = settings.ConformanceLevel;
break;
case ConformanceLevel.Document:
case ConformanceLevel.Fragment:
if (settings.ConformanceLevel != ConformanceLevel.Auto)
{
dst = settings.ConformanceLevel;
}
break;
}
settings.MergeFrom(src);
// It returns a new XmlWriter instance if 1) Settings is null, or 2) Settings ConformanceLevel (or might be other members as well) give significant difference.
if (src.ConformanceLevel != dst)
{
writer = new DefaultXmlWriter(writer, false);
writer.settings = settings;
}
}
return(writer);
}
